package com.ruiyin.httpinte;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Map;

import net.sf.json.JSONObject;
/**
 * 模拟http请求测试类
 * @author chenhui
 *
 */
public class TestHttp {

	public static void main(String[] args) {
		String urlString = "http://58.213.75.36:8080/wxmarket/httpinterface/updateMicrochannel";
		Map<String,Object> resultMap = new HashMap<String, Object>();
		Map<String,Object> headMap = new HashMap<String, Object>();
		Map<String,Object> bodyMap = new HashMap<String, Object>();
		headMap.put("version", "1.0");
		headMap.put("tradecode", "10100");
		headMap.put("organcode", "104");
		headMap.put("devicecode", "");
		headMap.put("workdate", "20160406");
		headMap.put("senddate", "20160406");
		headMap.put("sendtime", "170112");
		headMap.put("reserve", "1");
		resultMap.put("head", headMap);
		String[] ss = {"223233asss"};
		bodyMap.put("openids", ss);
		resultMap.put("body", bodyMap);
		
		JSONObject joJsonObject  = JSONObject.fromObject(resultMap);
		System.out.println(joJsonObject.toString().length());
		String result = sendPost(urlString,"jsonparam="+getLegth(joJsonObject.toString()));
		System.out.println(result);
	}
	
	private static String getLegth(String str) {
		String legth = "";
		Integer strlegth = str.length();
		if (strlegth > 0) {
			legth = "0000000";
		}
		if (strlegth > 10) {
			legth = "000000";
		}
		if (strlegth > 100) {
			legth = "00000";
		}
		if (strlegth > 1000) {
			legth = "0000";
		}
		if (strlegth > 10000) {
			legth = "000";
		}
		if (strlegth> 100000) {
			legth = "00";
		}
		if (strlegth > 1000000) {
			legth = "0";
		}
		return legth+strlegth+str;
	}
	
	/**
     * 向指定 URL 发送POST方法的请求
     * 
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！"+e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        return result;
    }    
}
